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- 四維HMM4-D HMM
- 四four
- 四維空間four dimensional space
- 四維的，四度空間的由四維確定或表現的，尤指三個(gè)空間維度和相對理論中的時(shí)間維度Specified by or exhibiting four dimensions, especially the three spatial dimensions and single temporal dimension of the relativity theory.
- 雙四維double-four-dimension
- 四維矢four vector
- 四維勢four potential
- 四維性four dimensionality
- 四維鈣Four Vitamins and Calcium Gluconate Tablet
- 四維CTFour dimensional CT
- 四維地震4D seismic
- 四維瓷業(yè)Shiwei Porcelain Industry Co.
- 四維模型4D model
- 四維變分4DVAR
- 四維拓展four - dimension extension
- 四維坐標four dimension coordinate
- 四維理論four dimension theory
- 四維建構four-dimension construction
- 四維建筑four-dimensional architecture
- 四維制導four-dimensional guidance
